Add constructor for dup_filter_sink with sinks parameter (gabime#3549)

* Add constructor for dup_filter_sink with sinks parameter

* dup_filter_sink switch order construction

Author: Niram7777

include/spdlog/sinks/dup_filter_sink.h

@@ -43,6 +43,11 @@ class dup_filter_sink : public dist_sink<Mutex> {
     explicit dup_filter_sink(std::chrono::duration<Rep, Period> max_skip_duration)
         : max_skip_duration_{max_skip_duration} {}
 
+    template <class Rep, class Period>
+    explicit dup_filter_sink(std::chrono::duration<Rep, Period> max_skip_duration, std::vector<std::shared_ptr<sink>> sinks)
+        : max_skip_duration_{max_skip_duration}
+        , dist_sink<Mutex>(std::move(sinks)) {}
+
 protected:
     std::chrono::microseconds max_skip_duration_;
     log_clock::time_point last_msg_time_;